CVE-2025-38298 (GCVE-0-2025-38298)

Vulnerability from cvelistv5 – Published: 2025-07-10 07:42 – Updated: 2025-11-03 17:36
VLAI?
Title
EDAC/skx_common: Fix general protection fault
Summary
In the Linux kernel, the following vulnerability has been resolved: EDAC/skx_common: Fix general protection fault After loading i10nm_edac (which automatically loads skx_edac_common), if unload only i10nm_edac, then reload it and perform error injection testing, a general protection fault may occur: mce: [Hardware Error]: Machine check events logged Oops: general protection fault ... ... Workqueue: events mce_gen_pool_process RIP: 0010:string+0x53/0xe0 ... Call Trace: <TASK> ? die_addr+0x37/0x90 ? exc_general_protection+0x1e7/0x3f0 ? asm_exc_general_protection+0x26/0x30 ? string+0x53/0xe0 vsnprintf+0x23e/0x4c0 snprintf+0x4d/0x70 skx_adxl_decode+0x16a/0x330 [skx_edac_common] skx_mce_check_error.part.0+0xf8/0x220 [skx_edac_common] skx_mce_check_error+0x17/0x20 [skx_edac_common] ... The issue arose was because the variable 'adxl_component_count' (inside skx_edac_common), which counts the ADXL components, was not reset. During the reloading of i10nm_edac, the count was incremented by the actual number of ADXL components again, resulting in a count that was double the real number of ADXL components. This led to an out-of-bounds reference to the ADXL component array, causing the general protection fault above. Fix this issue by resetting the 'adxl_component_count' in adxl_put(), which is called during the unloading of {skx,i10nm}_edac.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: c68d1dbfe381260e8e30880fa6b8e708e57143f6 , < 80bf28fd623d97dd4f4825fbbe9d736cec2afba3 (git)
Affected: 3070e81609169b316e3e3f226456950238338d43 , < a6ed3a6edff09c1187cc6ade7f5967bca2376a13 (git)
Affected: 2259b26ff45a231579485752bda51acf87c39d18 , < bf6a8502a5f4ff6e4d135d795945cdade49ec8b0 (git)
Affected: 6d0d9f0fd13536ed21b9c0dd576ba292f750a1c1 , < e8530ed3c0769a4d8f79c212715ec1cf277787f8 (git)
Affected: c25ae63de6805589e954b86020f89065b9eca4d4 , < 3f5d0659000923735350da60ad710f8c804544fe (git)
Affected: 123b158635505c89ed0d3ef45c5845ff9030a466 , < a13e8343ffcff27af1ff79597ff7ba241e6d9471 (git)
Affected: 123b158635505c89ed0d3ef45c5845ff9030a466 , < 31ef6f7c9aee3be78d63789653e92350f2537f93 (git)
Affected: 123b158635505c89ed0d3ef45c5845ff9030a466 , < 20d2d476b3ae18041be423671a8637ed5ffd6958 (git)
Affected: 32700ecf8007e071d1ce4c78f65b85f46d05f32a (git)
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    Linux Linux Affected: 6.11
Unaffected: 0 , < 6.11 (semver)
Unaffected: 5.4.295 , ≤ 5.4.* (semver)
Unaffected: 5.10.239 , ≤ 5.10.* (semver)
Unaffected: 5.15.186 , ≤ 5.15.* (semver)
Unaffected: 6.1.142 , ≤ 6.1.* (semver)
Unaffected: 6.6.94 , ≤ 6.6.* (semver)
Unaffected: 6.12.34 , ≤ 6.12.* (semver)
Unaffected: 6.15.3 , ≤ 6.15.* (semver)
Unaffected: 6.16 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nEDAC/skx_common: Fix general protection fault\n\nAfter loading i10nm_edac (which automatically loads skx_edac_common), if\nunload only i10nm_edac, then reload it and perform error injection testing,\na general protection fault may occur:\n\n  mce: [Hardware Error]: Machine check events logged\n  Oops: general protection fault ...\n  ...\n  Workqueue: events mce_gen_pool_process\n  RIP: 0010:string+0x53/0xe0\n  ...\n  Call Trace:\n  \u003cTASK\u003e\n  ? die_addr+0x37/0x90\n  ? exc_general_protection+0x1e7/0x3f0\n  ? asm_exc_general_protection+0x26/0x30\n  ? string+0x53/0xe0\n  vsnprintf+0x23e/0x4c0\n  snprintf+0x4d/0x70\n  skx_adxl_decode+0x16a/0x330 [skx_edac_common]\n  skx_mce_check_error.part.0+0xf8/0x220 [skx_edac_common]\n  skx_mce_check_error+0x17/0x20 [skx_edac_common]\n  ...\n\nThe issue arose was because the variable \u0027adxl_component_count\u0027 (inside\nskx_edac_common), which counts the ADXL components, was not reset. During\nthe reloading of i10nm_edac, the count was incremented by the actual number\nof ADXL components again, resulting in a count that was double the real\nnumber of ADXL components. This led to an out-of-bounds reference to the\nADXL component array, causing the general protection fault above.\n\nFix this issue by resetting the \u0027adxl_component_count\u0027 in adxl_put(),\nwhich is called during the unloading of {skx,i10nm}_edac."
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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